[ Ahrefs, SEMRush, DomDetailer, SpyFu APIs ]
[ Wappalyzer API ]
SEO Factor ClassSize ( 54079 )Relevancy ( 53425 ) Other ( 28012 ) Local ( 8736 ) Technology ( 1599 ) Authority ( 163 ) Pay Per Click ( 29 ) Trust ( 15 ) Diversity ( 15 ) Easy ( 3 ) Performance ( 1 ) This factor is measured within the schema markup of the web page. ( 1 ) |
SEO Factor TypeSize ( 54075 )Keywords ( 41373 ) Schema ( 27958 ) Local ( 8737 ) LSI ( 8486 ) Entities ( 3544 ) Other ( 1705 ) Backlinks ( 72 ) Social ( 58 ) Page Links ( 29 ) Structure ( 23 ) Meta ( 14 ) On Page ( 3 ) This factor does not have an applicable match type. ( 1 ) |
Top SEO Factor data is updated daily for latest "month to date" measurements.
Name | Correlation | #1 Max | Page 1 Avg | Usage % | Searches % | |
1 | Number of Top 50 Shared Factors Used Diversity | -0.33 | 44 | 26 | 97 % | 86 % |
2 | Number of Top 100 Shared Factors Used Diversity | -0.32 | 87 | 54 | 97 % | 85 % |
3 | Number of Distinct Entities Used Diversity | -0.32 | 60 | 28 | 96 % | 76 % |
4 | Number of Factors Used Diversity | -0.29 | 212 | 142 | 97 % | 93 % |
5 | Number of Top 200 Shared Factors Used Diversity | -0.29 | 147 | 94 | 97 % | 85 % |
6 | Variations in HTML Tags Relevancy | -0.26 | 1180 | 203 | 92 % | 95 % |
7 | Variations in Body Tags Relevancy | -0.25 | 1201 | 179 | 91 % | 93 % |
8 | Ahrefs Referring Domains Authority | -0.24 | 7398 | 171 | 66 % | 23 % |
9 | Ahrefs Referring Class C Addresses Authority | -0.24 | 3086 | 84 | 66 % | 23 % |
10 | Ahrefs Referring IP Addresses Authority | -0.24 | 5115 | 116 | 65 % | 23 % |
11 | Variations in P Tags Relevancy | -0.23 | 178 | 36 | 82 % | 94 % |
12 | Variations in Div Tags Relevancy | -0.23 | 667 | 116 | 90 % | 92 % |
13 | Variations in H1-H6 Tags Relevancy | -0.23 | 31 | 9 | 83 % | 93 % |
14 | Variations in H1, H2, and H3 Tags Relevancy | -0.23 | 24 | 7 | 82 % | 92 % |
15 | Entities in H2 Tags | -0.23 | 35 | 6 | 60 % | 75 % |
16 | Ahrefs NoFollow Backlinks Authority | -0.23 | 56344 | 703 | 58 % | 22 % |
17 | Entities in Title Tag Relevancy | -0.23 | 7 | 3 | 81 % | 72 % |
18 | Entities in H3 Tags | -0.23 | 31 | 6 | 49 % | 74 % |
19 | Variations in Sentences Relevancy | -0.22 | 375 | 28 | 82 % | 92 % |
20 | Ahrefs Backlinks Authority | -0.22 | 924271 | 10488 | 66 % | 23 % |
21 | Ahrefs Referring Pages Authority | -0.22 | 924271 | 10488 | 66 % | 23 % |
22 | Ahrefs Text Backlinks Authority | -0.22 | 923996 | 10431 | 65 % | 23 % |
23 | Entities in Sentences Relevancy | -0.22 | 1283 | 104 | 74 % | 99 % |
24 | Ahrefs Rank Authority | -0.22 | 69 | 18 | 83 % | 17 % |
25 | Variations in H1 and H2 Tags Relevancy | -0.22 | 18 | 5 | 80 % | 91 % |
26 | Variations in A Tags Relevancy | -0.22 | 147 | 25 | 82 % | 93 % |
27 | Ahrefs Dofollow Backlinks Authority | -0.21 | 913980 | 9850 | 57 % | 23 % |
28 | Term Frequency Relevancy | -0.21 | 7 | 4 | 91 % | 92 % |
29 | Variations in LI Tags Relevancy | -0.21 | 75 | 18 | 72 % | 93 % |
30 | Variations in H2 Tags Relevancy | -0.21 | 17 | 4 | 54 % | 91 % |
31 | Exact Matches in the HTML Tag Relevancy | -0.2 | 768 | 14 | 44 % | 88 % |
32 | Variations in A Tag HREF Attributes Relevancy | -0.2 | 234 | 44 | 79 % | 93 % |
33 | Keywords in pages top 10 most used phrases | -0.2 | 5 | 2 | 72 % | 85 % |
34 | Clean Keyword Density in the HTML Tag Relevancy | -0.2 | 11 | 4 | 85 % | 80 % |
35 | Entities in the HTML Tag Relevancy | -0.2 | 1902 | 314 | 76 % | 95 % |
36 | Variations in Distinct A Tag HREF Attributes Relevancy | -0.2 | 184 | 30 | 79 % | 91 % |
37 | Ahrefs Word Count Size | -0.2 | 4493 | 1592 | 69 % | 17 % |
38 | Body Tag Size Kilobytes Size | -0.2 | 475 | 83 | 82 % | 90 % |
39 | Variations in Script Tags Relevancy | -0.2 | 297 | 35 | 70 % | 94 % |
40 | Variations in Search Result Display URL Relevancy | -0.2 | 4 | 2 | 89 % | 77 % |
41 | Variations in Search Result Link Text Relevancy | -0.19 | 4 | 2 | 89 % | 78 % |
42 | Clean Text Kilobytes Size | -0.19 | 124 | 12 | 92 % | 86 % |
43 | Unabridged Word Count Size | -0.19 | 17546 | 1821 | 96 % | 90 % |
44 | Leading Variations in H1-H6 Tags Relevancy | -0.19 | 12 | 2 | 54 % | 89 % |
45 | Keywords in pages top 5 most used phrases | -0.19 | 4 | 2 | 62 % | 85 % |
46 | Exact Matches in Body Tag Relevancy | -0.19 | 549 | 14 | 38 % | 90 % |
47 | Variation Density in Top 30KB Relevancy | -0.19 | 10 | 3 | 77 % | 82 % |
48 | Leading Variations in H1, H2, and H3 Tags Relevancy | -0.19 | 9 | 2 | 51 % | 88 % |
49 | Number of Sentences Size | -0.19 | 709 | 68 | 94 % | 90 % |
50 | DomDetailer Majestic Referring Subnets Authority | -0.19 | 91965 | 15185 | 96 % | 38 % |
51 | Entities in H1 Tags | -0.19 | 10 | 2 | 66 % | 65 % |
52 | DomDetailer Moz PA Authority | -0.19 | 68 | 47 | 97 % | 35 % |
53 | Variations in ALT Attributes Relevancy | -0.19 | 58 | 7 | 54 % | 90 % |
54 | Variations in the Title Tag Relevancy | -0.19 | 5 | 2 | 84 % | 78 % |
55 | DomDetailer Majestic IPs Authority | -0.18 | 407807 | 53923 | 96 % | 39 % |
56 | Variations in Search Result URL Path Relevancy | -0.18 | 5 | 2 | 68 % | 75 % |
57 | Page Size Kilobytes Size | -0.18 | 564 | 151 | 96 % | 87 % |
58 | Variations in H3 Tags Relevancy | -0.18 | 16 | 3 | 41 % | 89 % |
59 | Ahrefs Has Dofollow Backlinks Authority | -0.18 | 1 | 1 | 55 % | 22 % |
60 | Variations in Span Tags Relevancy | -0.18 | 46 | 10 | 60 % | 90 % |
61 | Variations in the Canonical URL Relevancy | -0.18 | 5 | 2 | 66 % | 84 % |
62 | Number of P Tags Size | -0.18 | 152 | 40 | 90 % | 87 % |
63 | DomDetailer Majestic Referring Domains Authority | -0.18 | 2834506 | 329262 | 96 % | 40 % |
64 | DomDetailer Majestic CF Authority | -0.18 | 62 | 40 | 96 % | 37 % |
65 | Variations in Absolute URLs Relevancy | -0.18 | 471 | 44 | 72 % | 91 % |
66 | Number of HTML Tags Size | -0.18 | 2160 | 858 | 97 % | 85 % |
67 | Ahrefs Internal Links Authority | -0.18 | 999 | 141 | 73 % | 23 % |
68 | Keywords in pages top 3 most used phrases | -0.18 | 3 | 1 | 52 % | 84 % |
69 | Ahrefs Has Text Backlinks Authority | -0.18 | 1 | 1 | 63 % | 22 % |
70 | Ahrefs Has Backlinks Authority | -0.18 | 1 | 1 | 64 % | 22 % |
71 | Entities in Meta Description Tag Relevancy | -0.18 | 22 | 3 | 64 % | 67 % |
72 | Variations in First 100 Words Relevancy | -0.18 | 26 | 8 | 72 % | 78 % |
73 | Ahrefs Has NoFollow Backlinks Authority | -0.17 | 1 | 1 | 57 % | 21 % |
74 | Variations in Search Result URL Relevancy | -0.17 | 5 | 2 | 70 % | 78 % |
75 | Variations in H1 Tags Relevancy | -0.17 | 4 | 2 | 70 % | 79 % |
76 | LSI Words in Sentences Relevancy | -0.17 | 7964 | 610 | 67 % | 97 % |
77 | Variations in Main Tags Relevancy | -0.17 | 495 | 48 | 36 % | 88 % |
78 | Ahrefs External Links Authority | -0.17 | 735 | 30 | 70 % | 22 % |
79 | Word Count Size | -0.17 | 15963 | 1850 | 96 % | 88 % |
80 | DomDetailer Moz DA Authority | -0.17 | 81 | 45 | 97 % | 34 % |
81 | Variations in Nav Tags Relevancy | -0.17 | 190 | 19 | 50 % | 87 % |
82 | Has Entities in H2 Tags Relevancy | -0.17 | 1 | 1 | 63 % | 67 % |
83 | Number of Heading Tags Size | -0.17 | 94 | 22 | 93 % | 87 % |
84 | Exact Matches in H1-H6 Tags Relevancy | -0.17 | 19 | 2 | 31 % | 87 % |
85 | Exact Matches in Top 30KB Relevancy | -0.17 | 34 | 3 | 34 % | 68 % |
86 | Entities in H4 Tags | -0.17 | 15 | 3 | 26 % | 71 % |
87 | Variations in Meta Description Relevancy | -0.17 | 11 | 2 | 63 % | 85 % |
88 | Number of Questions Size | -0.17 | 85 | 7 | 69 % | 87 % |
89 | Ahrefs Images Relevancy | -0.17 | 91 | 24 | 66 % | 16 % |
90 | Variations in Search Result Document File Name Relevancy | -0.16 | 4 | 2 | 68 % | 69 % |
91 | DomDetailer Majestic Links Authority | -0.16 | 143279725 | 962695 | 96 % | 39 % |
92 | Variations in Footer Tags Relevancy | -0.16 | 59 | 8 | 39 % | 82 % |
93 | Ahrefs Pages Size | -0.16 | 10 | 2 | 75 % | 22 % |
94 | DomDetailer Majestic TF Authority | -0.16 | 57 | 30 | 91 % | 36 % |
95 | TF/IDF Relevancy | -0.16 | 1 | 1 | 72 % | 81 % |
96 | Ahrefs Domain Rating Authority | -0.16 | 83 | 44 | 87 % | 16 % |
97 | Variations in OpenGraph Title Relevancy | -0.16 | 5 | 2 | 64 % | 75 % |
98 | DomDetailer Moz Rank Authority | -0.16 | 9 | 5 | 97 % | 34 % |
99 | Number of HTTPS Links Authority | -0.16 | 454 | 139 | 93 % | 81 % |
100 | Exact Matches in Sentences Relevancy | -0.16 | 30 | 2 | 27 % | 89 % |
101 | Number of Images with ALT Text Size | -0.16 | 71 | 18 | 85 % | 86 % |
102 | Ahrefs Image Backlinks | -0.16 | 222297 | 1870 | 27 % | 21 % |
103 | DomDetailer Facebook Shares Authority | -0.16 | 9909915 | -5361676 | 91 % | 38 % |
104 | Has Entities in H1 Tags Relevancy | -0.16 | 1 | 1 | 70 % | 61 % |
105 | Ahrefs Has Image Backlinks Authority | -0.16 | 1 | 1 | 27 % | 19 % |
106 | Has Entities in H3 Tags Relevancy | -0.16 | 1 | 1 | 52 % | 66 % |
107 | Variations in OpenGraph Description Relevancy | -0.16 | 9 | 2 | 56 % | 82 % |
108 | Number of Images Size | -0.16 | 471 | 28 | 92 % | 86 % |
109 | Ahrefs Linked Root Domains Authority | -0.16 | 22 | 8 | 72 % | 22 % |
110 | Number of Links Authority | -0.16 | 461 | 143 | 94 % | 82 % |
111 | Variation Count in Top 30KB Relevancy | -0.16 | 163 | 36 | 84 % | 76 % |
112 | Number of H2 Tags Size | -0.16 | 16 | 7 | 78 % | 88 % |
113 | Search Result Summary Length Size | -0.16 | 405 | 158 | 97 % | 62 % |
114 | Number of DoFollow Links Authority | -0.16 | 447 | 137 | 94 % | 80 % |
115 | Variations in the last 100 words Relevancy | -0.16 | 16 | 4 | 59 % | 81 % |
116 | Number Of JSON-LD Types Relevancy | -0.16 | 55 | 10 | 59 % | 80 % |
117 | Leading Variations in Title Tag Relevancy | -0.15 | 1 | 1 | 38 % | 75 % |
118 | DomDetailer Moz Links Authority | -0.15 | 133182870 | 17440544 | 96 % | 38 % |
119 | Number of Internal Links Authority | -0.15 | 449 | 125 | 93 % | 83 % |
120 | Title Tag Has Entities Relevancy | -0.15 | 1 | 1 | 81 % | 58 % |
121 | Exact Matches in Title Tag Relevancy | -0.15 | 4 | 1 | 29 % | 79 % |
122 | Leading Variations in H2 Tags Relevancy | -0.15 | 5 | 1 | 25 % | 84 % |
123 | Number of H3 Tags Size | -0.15 | 22 | 8 | 70 % | 85 % |
124 | Variations in Strong Tags Relevancy | -0.15 | 15 | 3 | 34 % | 83 % |
125 | Leading Variations in H1 Tags Relevancy | -0.15 | 2 | 1 | 33 % | 78 % |
126 | Number of Absolute URLs Authority | -0.15 | 624 | 143 | 94 % | 84 % |
127 | Inline JavaScript Kilobytes Size | -0.15 | 430 | 31 | 91 % | 82 % |
128 | Ahrefs Has EDU Backlinks Authority | -0.15 | 1 | 1 | 12 % | 14 % |
129 | Headings Has Question Other | -0.15 | 1 | 1 | 40 % | 77 % |
130 | DomDetailer Majestic GOV Backlinks Authority | -0.15 | 34872560 | 3586141 | 45 % | 36 % |
131 | Has JSON-LD Question | -0.14 | 1 | 1 | 5 % | 68 % |
132 | Ahrefs EDU Backlinks Authority | -0.14 | 101265 | 627 | 12 % | 15 % |
133 | Has JSON-LD Answer | -0.14 | 1 | 1 | 5 % | 68 % |
134 | Number of Questions In H2 Tags Size | -0.14 | 4 | 1 | 24 % | 81 % |
135 | Variations in Section Tags Relevancy | -0.14 | 116 | 19 | 40 % | 83 % |
136 | Exact Matches in A Tags Relevancy | -0.14 | 96 | 3 | 25 % | 86 % |
137 | Keywords in pages most used phrase | -0.14 | 1 | 1 | 28 % | 76 % |
138 | Variations in TITLE Attributes Relevancy | -0.14 | 79 | 7 | 38 % | 84 % |
139 | Variations making whole A Tags Relevancy | -0.14 | 7 | 2 | 35 % | 81 % |
140 | Variations in Article Tags Relevancy | -0.14 | 145 | 20 | 34 % | 79 % |
141 | Variations in ID Attributes Relevancy | -0.14 | 12 | 2 | 15 % | 82 % |
142 | Variations Making Whole LI Tags Relevancy | -0.14 | 5 | 1 | 28 % | 80 % |
143 | Number of Questions In Headings Size | -0.14 | 7 | 2 | 44 % | 27 % |
144 | Ahrefs Has Internal Links Authority | -0.14 | 1 | 1 | 72 % | 21 % |
145 | Ahrefs Page Size Size | -0.14 | 61358 | 29694 | 71 % | 16 % |
146 | Variations in Search Result Summary Relevancy | -0.14 | 7 | 3 | 92 % | 60 % |
147 | Ahrefs Has Linked Root Domains Authority | -0.14 | 1 | 1 | 71 % | 20 % |
148 | Number of External Links Authority | -0.14 | 60 | 18 | 89 % | 76 % |
149 | Leading Variations in H3 Tags Relevancy | -0.14 | 7 | 1 | 18 % | 82 % |
150 | Ahrefs Has External Links Authority | -0.14 | 1 | 1 | 69 % | 21 % |
151 | Variations Making Whole Span Tags Relevancy | -0.14 | 8 | 1 | 20 % | 83 % |
152 | Exact Matches in H2 Tags Relevancy | -0.14 | 15 | 1 | 15 % | 87 % |
153 | Ahrefs Redirects Authority | -0.14 | 637 | 7 | 14 % | 18 % |
154 | Exact Matches in H1 Tags Relevancy | -0.14 | 2 | 1 | 23 % | 78 % |
155 | Variations in H4-H6 Tags Relevancy | -0.14 | 17 | 2 | 24 % | 81 % |
156 | LSI Words in H2 Tags Relevancy | -0.14 | 86 | 16 | 54 % | 95 % |
157 | Meta Description Tag Has Entities Relevancy | -0.13 | 1 | 1 | 65 % | 60 % |
158 | Ahrefs Has Images Other | -0.13 | 1 | 1 | 64 % | 14 % |
159 | Number of Questions In H3 Tags Size | -0.13 | 12 | 1 | 17 % | 79 % |
160 | Variations making whole H1-H6 Tags Relevancy | -0.13 | 4 | 1 | 18 % | 78 % |
161 | Load Time Milliseconds Performance | -0.13 | 45246 | 2498 | 97 % | 64 % |
162 | Variations in H4 Tags Relevancy | -0.13 | 6 | 1 | 19 % | 81 % |
163 | Ahrefs Has Redirects Authority | -0.13 | 1 | 1 | 14 % | 16 % |
164 | Inline CSS Kilobytes Size | -0.13 | 150 | 33 | 64 % | 78 % |
165 | Has Entities in H4 Tags Relevancy | -0.13 | 1 | 1 | 29 % | 60 % |
166 | Number of DoFollow External Links Authority | -0.13 | 58 | 16 | 87 % | 74 % |
167 | Variations making whole H1, H2, and H3 Tags Relevancy | -0.13 | 2 | 1 | 16 % | 77 % |
168 | Head Size Kilobytes Size | -0.13 | 164 | 44 | 91 % | 76 % |
169 | LSI Words in Title Tag Relevancy | -0.13 | 26 | 5 | 65 % | 93 % |
170 | Number of Prices Size | -0.13 | 375 | 33 | 71 % | 71 % |
171 | Number of US Phone Numbers Trust | -0.13 | 68 | 8 | 42 % | 74 % |
172 | Variations in I Tags Relevancy | -0.13 | 29 | 6 | 35 % | 78 % |
173 | LSI Words in H3 Tags Relevancy | -0.12 | 86 | 16 | 47 % | 93 % |
174 | Exact Matches in Meta Description Relevancy | -0.12 | 3 | 1 | 18 % | 81 % |
175 | Number Of Claimed Brands Other | -0.12 | 11 | 2 | 21 % | 71 % |
176 | Variations in Class Attributes Relevancy | -0.12 | 262 | 6 | 29 % | 78 % |
177 | Has Schema Markup Relevancy | -0.12 | 1 | 1 | 68 % | 71 % |
178 | Number of H4 Tags Size | -0.12 | 73 | 5 | 46 % | 76 % |
179 | Has JSON-LD AggregateRating | -0.12 | 1 | 1 | 6 % | 62 % |
180 | Has JSON-LD Website | -0.12 | 1 | 1 | 37 % | 58 % |
181 | Title Has Sales Words Other | -0.12 | 1 | 1 | 14 % | 68 % |
182 | DomDetailer Facebook Comments Authority | -0.12 | 513 | 60 | 10 % | 34 % |
183 | Title Has Sentiment Words Other | -0.12 | 1 | 1 | 15 % | 67 % |
184 | Variations in OpenGraph Site Name Relevancy | -0.12 | 2 | 1 | 13 % | 71 % |
185 | Number of NoFollow External Links Authority | -0.12 | 42 | 3 | 24 % | 78 % |
186 | Ahrefs RSS Backlinks Authority | -0.12 | 69 | 2 | 5 % | 12 % |
187 | Percentage of DoFollow Internal Links Authority | -0.12 | 95 | 81 | 92 % | 69 % |
188 | Has US Phone Number Trust | -0.12 | 1 | 1 | 41 % | 58 % |
189 | Number of Nofollow Links Authority | -0.12 | 70 | 6 | 35 % | 78 % |
190 | Word Count in Meta Description Size | -0.12 | 69 | 22 | 72 % | 72 % |
191 | Number of HREF Lang Tags Size | -0.12 | 25 | 2 | 11 % | 74 % |
192 | Meta Description Length Size | -0.12 | 405 | 129 | 72 % | 72 % |
193 | Has JSON-LD ImageObject | -0.12 | 1 | 1 | 37 % | 64 % |
194 | Number of Social Accounts Authority | -0.12 | 20 | 2 | 54 % | 71 % |
195 | Number of JavaScript Includes Technology | -0.12 | 33 | 15 | 89 % | 68 % |
196 | Ahrefs Has RSS Backlinks Authority | -0.12 | 1 | 1 | 5 % | 12 % |
197 | Has Canonical URL Authority | -0.12 | 1 | 1 | 80 % | 70 % |
198 | Ahrefs Has Domain Rating Authority | -0.12 | 1 | 1 | 83 % | 13 % |
199 | Variations in Figure Tags Relevancy | -0.12 | 90 | 6 | 14 % | 79 % |
200 | Has Meta Twitter Card Authority | -0.12 | 1 | 1 | 53 % | 59 % |